Experimental visualization of lithium conduction pathways in garnet-type Li7La3Zr2O12

被引：97

作者：

Han, Jiantao ^{[1
]}

Zhu, Jinlong ^{[1
]}

Li, Yutao ^{[2
]}

Yu, Xiaohui ^{[1
]}

Wang, Shanmin ^{[1
]}

Wu, Gang ^{[1
]}

Xie, Hui ^{[2
]}

Vogel, Sven C. ^{[1
]}

Izumi, Fujio ^{[3
]}

Momma, Koichi ^{[4
]}

Kawamura, Yukihiko ^{[5
]}

Huang, Yunhui ^{[6
]}

Goodenough, John B. ^{[2
]}

Zhao, Yusheng ^{[1
]}

机构：

[1] Los Alamos Natl Lab, LANSCE Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA

[2] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

[3] Natl Inst Mat Sci, Quantum Beam Ctr, Tsukuba, Ibaraki 3050044, Japan

[4] Natl Museum Nat & Sci, Tsukuba, Ibaraki 3050005, Japan

[5] Res Ctr Neutron Sci & Technol, Tokai, Ibaraki 3191106, Japan

[6] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, Wuhan 430074, Hubei, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2012年 / 48卷 / 79期

关键词：

ION CONDUCTION; EXCHANGE; PHOSPHATES; TRANSITION;

D O I：

10.1039/c2cc35089k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The evolution of the Li-ion displacements in the 3D interstitial pathways of the cubic garnet-type Li7La3Zr2O12, cubic Li7La3Zr2O12, was investigated with high-temperature neutron diffraction (HTND) from RT to 600 degrees C; the maximum-entropy method (MEM) was applied to estimate the Li nuclear-density distribution. Temperature-driven Li displacements were observed; the displacements indicate that the conduction pathways in the garnet framework are restricted to diffusion through the tetrahedral sites of the interstitial space.

引用

页码：9840 / 9842

页数：3

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